Oak Forest, IL Historical Age Data
ACS 2010-2014 data
Total population: 28,104
Median Age (
see rank)
Oak Forest, IL | 39.60 years old |
Illinois | 37.00 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 38.00 years old |
Illinois | 35.70 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 40.60 years old |
Illinois | 38.40 years old |
U.S. | 38.80 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 1,571 | 5.59%, see rank | 6.30% | 6.36% |
5 to 9 years | 1,324 | 4.71%, see rank | 6.58% | 6.51% |
10 to 14 years | 1,809 | 6.44%, see rank | 6.71% | 6.59% |
15 to 19 years | 1,980 | 7.05%, see rank | 6.94% | 6.85% |
20 to 24 years | 2,071 | 7.37%, see rank | 6.95% | 7.13% |
25 to 34 years | 3,820 | 13.59%, see rank | 13.84% | 13.47% |
35 to 44 years | 3,857 | 13.72%, see rank | 13.20% | 12.96% |
45 to 54 years | 4,041 | 14.38%, see rank | 14.17% | 14.09% |
55 to 64 years | 4,133 | 14.71%, see rank | 12.13% | 12.29% |
65 to 74 years | 2,176 | 7.74%, see rank | 7.18% | 7.64% |
75 to 84 | 912 | 3.25%, see rank | 4.10% | 4.25% |
85 years and over | 410 | 1.46%, see rank | 1.90% | 1.85% |
US Census 2010 data
Total population: 27,962
Median Age (
see rank)
Oak Forest, IL | 37.70 years old |
Illinois | 36.60 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 36.00 years old |
Illinois | 35.20 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 39.20 years old |
Illinois | 37.90 years old |
U.S. | 38.50 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 1,708 | 6.11%, see rank | 6.51% | 6.54% |
5 to 9 years | 1,758 | 6.29%, see rank | 6.70% | 6.59% |
10 to 14 years | 2,004 | 7.17%, see rank | 6.85% | 6.70% |
15 to 19 years | 2,066 | 7.39%, see rank | 7.19% | 7.14% |
20 to 24 years | 1,787 | 6.39%, see rank | 6.85% | 6.99% |
25 to 34 years | 3,731 | 13.34%, see rank | 13.84% | 13.30% |
35 to 44 years | 3,793 | 13.56%, see rank | 13.45% | 13.30% |
45 to 54 years | 4,502 | 16.10%, see rank | 14.58% | 14.58% |
55 to 64 years | 3,481 | 12.45%, see rank | 11.48% | 11.82% |
65 to 74 years | 1,875 | 6.71%, see rank | 6.62% | 7.03% |
75 to 84 | 930 | 3.33%, see rank | 4.09% | 4.23% |
85 years and over | 327 | 1.17%, see rank | 1.83% | 1.78% |
ACS 2008-2012 data
Total population: 27,922
Median Age (
see rank)
Oak Forest, IL | 35.30 years old |
Illinois | 36.60 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 33.80 years old |
Illinois | 35.30 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 36.40 years old |
Illinois | 38.00 years old |
U.S. | 38.50 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 1,973 | 7.07%, see rank | 6.50% | 6.51% |
5 to 9 years | 1,619 | 5.80%, see rank | 6.68% | 6.57% |
10 to 14 years | 2,110 | 7.56%, see rank | 6.82% | 6.68% |
15 to 19 years | 2,180 | 7.81%, see rank | 7.16% | 7.09% |
20 to 24 years | 2,027 | 7.26%, see rank | 6.88% | 7.04% |
25 to 34 years | 3,919 | 14.04%, see rank | 13.84% | 13.32% |
35 to 44 years | 3,608 | 12.92%, see rank | 13.49% | 13.34% |
45 to 54 years | 4,171 | 14.94%, see rank | 14.46% | 14.44% |
55 to 64 years | 3,130 | 11.21%, see rank | 11.52% | 11.84% |
65 to 74 years | 2,036 | 7.29%, see rank | 6.71% | 7.12% |
75 to 84 | 825 | 2.95%, see rank | 4.11% | 4.25% |
85 years and over | 324 | 1.16%, see rank | 1.83% | 1.78% |
ACS 2006-2010 data
Total population: 27,685
Median Age (
see rank)
Oak Forest, IL | 36.30 years old |
Illinois | 36.20 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 35.60 years old |
Illinois | 34.90 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 37.00 years old |
Illinois | 37.60 years old |
U.S. | 38.10 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 2,003 | 7.23%, see rank | 6.63% | 6.62% |
5 to 9 years | 1,857 | 6.71%, see rank | 6.78% | 6.62% |
10 to 14 years | 2,100 | 7.59%, see rank | 6.94% | 6.79% |
15 to 19 years | 1,801 | 6.51%, see rank | 7.31% | 7.28% |
20 to 24 years | 1,760 | 6.36%, see rank | 6.86% | 6.98% |
25 to 34 years | 3,812 | 13.77%, see rank | 13.78% | 13.22% |
35 to 44 years | 3,763 | 13.59%, see rank | 13.96% | 13.89% |
45 to 54 years | 4,717 | 17.04%, see rank | 14.55% | 14.57% |
55 to 64 years | 2,914 | 10.53%, see rank | 10.89% | 11.28% |
65 to 74 years | 1,779 | 6.43%, see rank | 6.36% | 6.74% |
75 to 84 | 903 | 3.26%, see rank | 4.17% | 4.30% |
85 years and over | 276 | 1.00%, see rank | 1.77% | 1.70% |
ACS 2005-2009 data
Total population: 27,725
Median Age (
see rank)
Oak Forest, IL | 34.80 years old |
Illinois | 35.90 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 34.40 years old |
Illinois | 34.60 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 35.20 years old |
Illinois | 37.20 years old |
U.S. | 37.90 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 2,227 | 8.03%, see rank | 6.97% | 6.92% |
5 to 9 years | 2,107 | 7.60%, see rank | 6.76% | 6.59% |
10 to 14 years | 2,225 | 8.03%, see rank | 6.96% | 6.83% |
15 to 19 years | 1,777 | 6.41%, see rank | 7.24% | 7.15% |
20 to 24 years | 1,574 | 5.68%, see rank | 7.08% | 7.02% |
25 to 34 years | 4,034 | 14.55%, see rank | 13.73% | 13.42% |
35 to 44 years | 3,942 | 14.22%, see rank | 14.23% | 14.18% |
45 to 54 years | 4,636 | 16.72%, see rank | 14.47% | 14.48% |
55 to 64 years | 2,579 | 9.30%, see rank | 10.43% | 10.81% |
65 to 74 years | 1,567 | 5.65%, see rank | 6.21% | 6.50% |
75 to 84 | 808 | 2.91%, see rank | 4.17% | 4.40% |
85 years and over | 249 | 0.90%, see rank | 1.74% | 1.71% |
US Census 2000 data
Total population: 28,051
Median Age (
see rank)
Oak Forest, IL | 35.60 years old |
Illinois | 34.70 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
Oak Forest, IL | 34.90 years old |
Illinois | 33.30 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
Oak Forest, IL | 36.40 years old |
Illinois | 36.00 years old |
U.S. | 36.50 years old |
| Oak Forest, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 1,889 | 6.73%, see rank | 7.06% | 6.81% |
5 to 9 years | 2,030 | 7.24%, see rank | 7.49% | 7.30% |
10 to 14 years | 2,123 | 7.57%, see rank | 7.29% | 7.29% |
15 to 19 years | 2,000 | 7.13%, see rank | 7.20% | 7.18% |
20 to 24 years | 1,815 | 6.47%, see rank | 6.85% | 6.74% |
25 to 34 years | 3,868 | 13.79%, see rank | 14.59% | 14.18% |
35 to 44 years | 4,825 | 17.20%, see rank | 15.97% | 16.04% |
45 to 54 years | 4,233 | 15.09%, see rank | 13.10% | 13.39% |
55 to 64 years | 2,691 | 9.59%, see rank | 8.38% | 8.63% |
65 to 74 years | 1,452 | 5.18%, see rank | 6.22% | 6.54% |
75 to 84 | 909 | 3.24%, see rank | 4.31% | 4.39% |
85 years and over | 216 | 0.77%, see rank | 1.55% | 1.51% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.